/Engine/Source/Runtime/Engine/Classes/Engine/World.h
Constructor that will save the current relevant values of InWorld and set the collection's context values for InWorld. The constructor that takes an index is preferred, but this one still exists for backwards compatibility.
FScopedLevelCollectionContextSwitch ( const [FLevelCollection](API\Runtime\Engine\Engine\FLevelCollection) *const InLevelCollection, [UWorld](API\Runtime\Engine\Engine\UWorld) *const InWorld )